USA Phone Code Guide
USA Phone
Code Guide

Phone prefix +1 (203) 306-XXXX

Phone prefix: +1203306
This prefix is distributed within the state Connecticut
The largest city within this prefix is Milford, CT
District: New Haven
The largest organization: Choice One Communications
Phone numbers of the state Connecticut
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
The largest city within the prefix of +1 (203) 306-XXXX numbers is shown below Milford, CT.

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